CVE-2020-28025

Name
CVE-2020-28025
Description
Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28025-BHASH.txt

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* exim >= 4.00: < 4.94.2:
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* exim >= 4.00 < 4.94.2

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
exim edge-community 4.94.2-r1 Jesse Young <jlyo@jlyo.org> fixed
exim edge-community 4.94.2-r0 Jesse Young <jlyo@jlyo.org> fixed
exim edge-community 4.93-r1 None possibly vulnerable
exim edge-community 4.92.2-r1 None possibly vulnerable
exim edge-community 4.92.2-r0 None possibly vulnerable
exim edge-community 4.92.1-r0 None possibly vulnerable
exim edge-community 4.92-r0 None possibly vulnerable
exim edge-community 4.90.1-r0 None possibly vulnerable
exim edge-community 4.89.1-r0 None possibly vulnerable
exim edge-community 4.89-r7 None possibly vulnerable
exim edge-community 4.89-r5 None possibly vulnerable
exim 3.22-community 4.94.2-r0 None fixed
exim 3.22-community 4.93-r1 None possibly vulnerable
exim 3.22-community 4.92.2-r1 None possibly vulnerable
exim 3.22-community 4.92.2-r0 None possibly vulnerable
exim 3.22-community 4.92.1-r0 None possibly vulnerable
exim 3.22-community 4.92-r0 None possibly vulnerable
exim 3.22-community 4.90.1-r0 None possibly vulnerable
exim 3.22-community 4.89.1-r0 None possibly vulnerable
exim 3.22-community 4.89-r7 None possibly vulnerable
exim 3.22-community 4.89-r5 None possibly vulnerable
exim 3.21-community 4.94.2-r0 None fixed
exim 3.20-community 4.94.2-r0 None fixed
exim 3.19-community 4.94.2-r0 None fixed
exim 3.18-community 4.94.2-r0 None fixed
exim 3.17-community 4.94.2-r0 None fixed